Home / 20,180.50-30,275.62-6,329.50

Finding the Fourth Proportional to 20,180.50, 30,275.62 and 6,329.50

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Solution

The fourth proportional to 20,180.50, 30,275.62 and 6,329.50 is: 9,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.50 : 30,275.62 = 6,329.50 : x
  2. Step 2: Convert to fraction form
    20,180.50/30,275.62 = 6,329.50/x
  3. Step 3: Cross multiply
    20,180.50x = 30,275.62 × 6,329.50
  4. Step 4: Simplify right side
    20,180.50x = 191,629,536.79
  5. Step 5: Solve for x
    x = 191,629,536.79/20,180.50
  6. Step 6: Final answer
    x = 9,495.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.